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1. WO2022094830 - CONTROL CIRCUITS AND METHODS FOR REGULATING OUTPUT VOLTAGES

Publication Number WO/2022/094830
Publication Date 12.05.2022
International Application No. PCT/CN2020/126649
International Filing Date 05.11.2020
IPC
H02M 3/335 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
3Conversion of dc power input into dc power output
22with intermediate conversion into ac
24by static converters
28using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
325using devices of a triode or a transistor type requiring continuous application of a control signal
335using semiconductor devices only
Applicants
  • ASTEC INTERNATIONAL LIMITED [CN]/[CN]
Inventors
  • ZHANG, Bing
  • LIANG, Lian
  • QIN, Mei
  • FAN, Xiaodong
  • WANG, Guozhen
Agents
  • IP MARCH
Priority Data
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) CONTROL CIRCUITS AND METHODS FOR REGULATING OUTPUT VOLTAGES
(FR) CIRCUITS DE COMMANDE ET PROCÉDÉS DE RÉGULATION DE TENSIONS DE SORTIE
Abstract
(EN) A method of regulating an output voltage of a switched mode power supply having a variable input voltage and at least one power switch is provided. The method includes generating a control signal for the at least one power switch of the switched mode power supply based at least in part on a control voltage, the control signal having a duty cycle. The method also includes generating a reference voltage based at least in part on the duty cycle of the control signal and a maximum duty cycle, and generating the control voltage based at least in part on the reference voltage and the output voltage.
(FR) L'invention concerne un procédé de régulation d'une tension de sortie d'une alimentation à découpage ayant une tension d'entrée variable et au moins un interrupteur. Le procédé comprend la génération d'un signal de commande pour le(s) interrupteur(s) de l'alimentation à découpage, au moins en partie sur la base d'une tension de commande, le signal de commande ayant un rapport cyclique. Le procédé comprend également la génération d'une tension de référence, au moins en partie sur la base du rapport cyclique du signal de commande et d'un rapport cyclique maximal, et la génération de la tension de commande au moins en partie sur la base de la tension de référence et de la tension de sortie.
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